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The nurse is teaching a client with diabetes about newly prescribed trimethoprim and sulfamethoxazole (TMP-SMX) to treat a urinary tract infection. Which statement by the client indicates understanding?

"I will stop taking this medication if I develop a rash."

"This antibiotic will kill mature bacteria in my urinary tract."

"I should avoid dairy products when taking this medication."

"My blood sugar will not be affected by this medication."

User Ahmed Kotb
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Final answer:

The client's understanding of the TMP-SMX medication is correctly indicated by their willingness to stop taking the medication if they develop a rash, which may be a sign of an allergic reaction.

Step-by-step explanation:

The correct statement by the client that indicates understanding of the medication trimethoprim and sulfamethoxazole (TMP-SMX) is: "I will stop taking this medication if I develop a rash." This shows that the client is aware of potential allergic reactions that can occur with the use of TMP-SMX, such as skin rashes, which may necessitate discontinuation of the medication.

It is important to note that TMP-SMX is a combination of two antibiotics that work synergistically to be bactericidal, meaning they can kill the bacteria causing the infection. When used together, these drugs inhibit sequential steps in folic acid synthesis, an essential pathway for bacterial growth and survival, leading to the death of the bacteria.

Additionally, TMP-SMX does not require avoidance of dairy products, nor is it known to have no effect on blood sugar levels. Therefore, statements about dairy products or blood sugar levels do not demonstrate correct understanding of the medication and its potential interactions in a client with diabetes.

User Mathielo
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